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Help ASAP with this question.

Help ASAP with this question.-example-1
User Vfn
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The answer would be the bottom left one because 5.15 round to 5 and 42,980 rounds to 40,000 which is equal to 4x10^4 (4 zeros). Then you subtract the exponents and divide the other terms to get 1.25x10^2
User Gurucharan M K
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